Phosphor having resistance to deterioration caused by ultraviolet rays and gas discharge display device of which image quality is not readily deteriorated over time
A manganese-activated zinc silicate phosphor according to the present invention satisfies 0< beta - alpha ≤0.5 and 1.7≤ beta , where a value alpha is a ratio of a number of zinc atoms to a number of silicon atoms in a surface region of a phosphor particle, including a surface of the phosphor part...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
14.10.2009
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Subjects | |
Online Access | Get full text |
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Summary: | A manganese-activated zinc silicate phosphor according to the present invention satisfies 0< beta - alpha ≤0.5 and 1.7≤ beta , where a value alpha is a ratio of a number of zinc atoms to a number of silicon atoms in a surface region of a phosphor particle, including a surface of the phosphor particle and a vicinity thereof, and a value beta is a ratio of a number of zinc atoms to a number of silicon atoms in a whole of the phosphor particle. |
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Bibliography: | Application Number: CN200510075952 |